Inhaler Testing Delivered Dose Uniformity (DDU) DDU for Metered-Dose Inhalers (MDIs) & Breath-Actuated Inhalers (BAIs) MDIs/BAIs

DDU for Metered-Dose Inhalers (MDIs) & Breath-Actuated Inhalers (BAIs)

The DDU is the total mass of drug emitted from the inhaler and hence available to the patient. Testing for uniformity ensures that the patient will receive the correct quoted amount be it from a single or multi-dose inhalers for the lifetime of the device.

Based on an original design by Charles Thiel in 3M’s laboratories in Minneapolis, USA, the Dosage Unit Sampling Apparatus (DUSA) for Metered Dose Inhalers (MDIs) and Breath-Actuated Inhalers (BAIs) has been designed specifically for the sampling and testing of MDIs and Nasal Aerosols.

The DUSA for MDIs, BAIs and Nasal Aerosols consists of one collection tube, two rinsing caps, one filter support cap and one flow meter cap supplied in a handy carrying case.

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Vertus - DDU - MDIs

MDIs: Semi-Automated DDU Testing

The Vertus automated shake, fire and shot waste range is made up of integrated turn-key solutions for precise, controlled and reproducible MDI testing. Compatible with most MDIs, the Vertus systems offer analysts complete control over:

The speed, angle and duration of shaking, ahead of actuation
Firing force and the speed of application and release of that force
The time delay between the end of shaking and device actuation

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Labour Saving Tools

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Improve efficiency

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Reduce variability

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Eliminate handling errors

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Increase testing capacity

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DUSA Shaker

Accepting DUSAs for both MD

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Vertus II

Maintaining a consistent

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Vertus Plus

Building on the original

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DecaVertus II

The DecaVertus is a shak

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